National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

91°F

33°C

Humidity 56%
Wind Speed SW 15 mph
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 21 Jun 1:50 pm CDT
Extended Forecast for

4 Miles N Walshville IL

Heat Advisory until June 24, 09:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 24, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 73. South wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 73 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Heat index values as high as 101. South wind 8 to 13 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. South wind 6 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92. Southwest wind 6 to 8 mph.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91.

    High: 91 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 94. Heat index values as high as 103. South wind around 15 mph, with gusts as high as 23 mph.
Tonight
Clear, with a low around 73. South wind 7 to 11 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 94. Heat index values as high as 101. South wind 8 to 13 mph.
Sunday Night
Mostly clear, with a low around 73. South wind 6 to 10 mph.
Monday
Sunny, with a high near 92. Southwest wind 6 to 8 mph.
Monday Night
Mostly clear, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 91.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 73.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Walshville IL
 39.13°N 89.61°W (Elev. 650 ft)
Last Update:
12:07 pm CDT Jun 21, 2025
Forecast Valid:
2pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation